1660 L ST NW
Office (large) · Washington · 20036
At a glance
1660 L ST NW in Washington, DC is listed on the Washington, DC property roll as “Office (large)”, SSL 01840849. The roll records 207,740 sq ft of building area, a 1968 build year and an assessed value of $34,922,210. 7 active business locations at this address appear in public records.
The building's own benchmarking filing
Energy performance
From the building's own filing under its city's benchmarking ordinance. An ENERGY STAR score of 75 or above means the building outperforms three quarters of comparable buildings nationally. It is a self-reported figure, verified by the city only to the extent the ordinance requires.
Public record — 7 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| POTBELLY SANDWICH SHOP | — | Sep 2026 | DC business licence | folio match · high |
| KITA WASHINGTON CENTER LLC. | — | Mar 2026 | DC business licence | folio match · high |
| Korea Hydro & Nuclear Power Co., Ltd. | — | Jan 2026 | DC business licence | folio match · high |
| FORD AGENCY, INC. (THE) | # 608 | Nov 2025 | DC business licence | folio match · high |
| Sima Sushi | 1 | Jun 2025 | DC business licence | folio match · high |
| Wall's Barber Shop | — | Sep 2024 | DC business licence | folio match · high |
| POSCO America | — | Jul 2024 | DC business licence | folio match · high |
Washington, DC assessment roll
Parcel record
| Field | Value |
|---|---|
| SSL | 01840849 |
| Site address | 1660 L ST NW |
| Land use (DOR) | 052 — Office (large) |
| Building area (actual) | 207,740 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | 13,827 sq ft |
| Year built | 1968 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $34,922,210 |
Recorded owner (assessment roll)
KITA WASHINGTON CENTER LLC
Owner mailing address: 1660 L ST NW STE 401, WASHINGTON, DC, 20036
The owner is on site.A business-tax receipt at this address is held in the owner's own name, so the public record shows an owner-occupier rather than a landlord letting the space.
Location
- Address
- 1660 L ST NW
- City
- Washington
- ZIP
- 20036
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 1660 L ST NW compare with other Washington office buildings?
At 207,740 sq ft, 1660 L ST NW is about 72% larger than the average office building on the Washington, DC roll, which comes to 120,450 sq ft across 1,761 buildings.
Its assessed value works out to $168 per square foot of building area, against $370 across all office floor area on the roll.
Does the owner of 1660 L ST NW hold other Washington office property?
KITA WASHINGTON CENTER LLC also holds a business-tax receipt at this address, so the public record shows an owner-occupier rather than a landlord letting the space.
What has happened at 1660 L ST NW recently?
The building files energy-benchmarking disclosures — 1 report year are matched to this parcel.
What does “Office (large)” mean for this parcel?
The Washington, DC roll classifies SSL 01840849 as “Office (large)” (use code 052). BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.
Frequently asked questions
Who owns 1660 L ST NW?
The recorded owner on the Washington, DC assessment roll (current) is KITA WASHINGTON CENTER LLC. Owner mailing address on file: 1660 L ST NW STE 401, WASHINGTON, DC, 20036.
What companies have offices at 1660 L ST NW?
7 active business locations at this building appear in Washington, DC public records, including POTBELLY SANDWICH SHOP, KITA WASHINGTON CENTER LLC., Korea Hydro & Nuclear Power Co., Ltd., FORD AGENCY, INC. (THE), Sima Sushi. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 1660 L ST NW?
The Washington, DC roll records 207,740 sq ft of building area, a build year of 1968. It sits on a 13,827 sq ft lot.
What is the assessed value of 1660 L ST NW?
$34,922,210 on the Washington, DC roll. Assessed values are taxable-roll figures, not market prices.
What is the SSL for 1660 L ST NW?
SSL 01840849, site address 1660 L ST NW, Washington. It is the key to look the parcel up in the Integrated Tax System public extract (Washington, DC).
More around 1660 L ST NW
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- Washington, DC — Integrated Tax System public extract (owner names, mailing addresses, assessments), CAMA commercial and daily sales tables, Basic Business Licenses (suite-level premises; the universal catch-all licence was repealed Oct 2025, thinning the roll thereafter), and DOEE energy benchmarking.
Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.
Working with Washington office parcels? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: Washington, DC assessment roll, SSL 01840849.
About this data
Source: Integrated Tax System public extract (Washington, DC), as published September 20, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “1660 L ST NW, Washington, DC (SSL 01840849)”, https://buildingcensus.com/offices/dc/office-building-6a153437 (data as of September 20, 2026).